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Zany Zebra answered on May 29, 2020 Popularity 10/10 Helpfulness 1/10

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import re

message = "123-456-7890 is a phone number and so is 111-111-1111"

# designate the phone number has one group
PhoneNumRegEx = re.compile(r"\d\d\d-\d\d\d-\d\d\d\d")

#find the first phone number
matched_object = (PhoneNumRegEx.search(message))

#prints out the whole number. Can't put anything in the parenthesis
print(matched_object.group())




# designate the phone number has two groups
PhoneNumRegEx = re.compile(r"(\d\d\d)-(\d\d\d-\d\d\d\d)")
matched_object = (PhoneNumRegEx.search(message))
#prints out the numbers withi the first parenthesis. 
print(matched_object.group(1))

#gets all the phone numbers in the message
print(PhoneNumRegEx.findall(message))


#if looking for a parenthesis, put \ before each parenthesis
PhoneNumRegEx = re.compile(r'\(\d\d\d\) \d\d\d-\d\d\d\d')
message_area_code = "dsdfs (111) 444-3333 gfgg"
matched_object = (PhoneNumRegEx.search(message_area_code))
print(matched_object.group())

#find the following words that start with uni
prefix = re.compile(r'uni(corn|cycle|verse)')
mo = prefix.search("In what universe does a unicorn ride a unicycle?")

#only returns whole word if you use search, 
#if you use findall, and print(mo), only sufix is printed
print(mo.group())

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: whatever

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Contributed on May 17 2022

Zany Zebra

0 Answers Avg Quality 2/10

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regex

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Let regex;
/* shorthand character classes */
regex = /d/; // matches any digit, short for [0-9]
regex = /D/; // matches non-digits, short for [^0-9]
regex = /S/; // matches non-white space character
regex = /s/; // matches any white space character
regex = /w/; // matches character, short for [a-zA-Z_0-9]
regex = /W/; // matches non-word character [^w]
regex = /b/; // Matches a word boundary where a word character is [a-zA-Z0-9_]
These meta characters boast a pre-defined meaning and make various typical patterns easier to use.
/* matching using quantifiers */
regex= /X./; // matches any character
regex= /X*/; // Matches zero or several repetitions of letter X, is short for {0,}
regex= /X+-/; // matches one or more repetitions of letter X, is short for {1,}
regex= /X?/; // finds no or exactly one letter X, is short for is short for {0,1}.
regex= // d{3}; // matches three digits. {} describes the order of the preceding liberal
regex= // d{1,4} ; // means d must occur at least once and at a maximum of four
A quantifies helps developers to define how often an element occurs.
/* character ranges */
regex = /[a-z]/; // matches all lowercase letters
regex = /[A-Z]/; // matches all uppercase letters
regex = /[e-l]/; // matches lowercase letters e to l (inclusive)
regex = /[F-P]/; // matches all uppercase letters F to P (inclusive)
regex = /[0-9]/; // matches all digits
regex = /[5-9]/; // matches any digit from 5 to 9 (inclusive)
regex = / [a-d1-7]/; // matches a letter between a and d and figures from 1 to 7, but not d1
regex = /[a-zA-Z]/; // matches all lowercase and uppercase letters
regex = /[^a-zA-Z]/; // matches non-letters
/* matching using anchors */
regex = / ^The/; // matches any string that starts with “The”
regex = / end$/; // matches a string that ends with end
regex = / ^The end$/; // exact string match starting with “The” and ending with “End”
/* escape characters */
regex = / a/; // match a bell or alarm
regex = / e/; // matches an escape
regex = / f/; // matches a form feed
regex = / n/; // matches a new line
regex = / Q…E/; // ingnores any special meanings in what is being matched
regex = / r/; // matches a carriage return
regex = / v/; // matches a vertical tab
It is critical to note that escape characters are case sensitive
/* matching using flags */
regex = / i/; // ignores the case in pattern ( upper and lower case allowed)
regex = / m/; // multi-line match
regex = / s/; // match new lines
regex = / x/; // allow spaces and comments
regex = / j/; // duplicate group names allowed
regex = / U/; // ungreedy match

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jul 16 2021

jub0t

0 Answers Avg Quality 2/10

regex /

Comment

// replaces all / in a String with _
str = str.replace(/\//g,'_');

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 29 2020

Expensive Elk

0 Answers Avg Quality 2/10

regular expression

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^[a-zA-Z0-9.a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[a-zA-Z0-9]+\.[a-zA-Z]+?((?:[a-zA-Z0-9-]{0,253}[a-zA-Z0-9])?)*$

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Source: Grepper

Tags: email emai

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Contributed on Mar 03 2022

cmoulicms

0 Answers Avg Quality 2/10

regex

Comment

// "/^[a-zA-Z]+$/" 		for alphabetics;
// "/^[0-9]+$/" 		for numerics;
// "/^[a-zA-Z0-9]+$/" 	for alphanumerics;
// "/^\pL+$/u" 			for uni alphas;
// "/^\pN+$/u" 			for uni numerics;
// "/^[\pL\pN]+$/u"		for uni alphanumerics;

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Source: Grepper

Tags: regex rege

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Contributed on Sep 17 2022

Alijah Mckale Rodis

0 Answers Avg Quality 2/10

Regular Expression

Comment

-1

"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,10}"

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: www.cnblogs.com

Tags: expression e

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Contributed on Jan 16 2022

Enchanting Echidna

0 Answers Avg Quality 2/10

Regex

Comment

Great site to verify your regular expressions: https://regexr.com/

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 16 2022

Coder-Kyle

0 Answers Avg Quality 2/10

regex pattern

Comment

regex pattern

Only lowercase letters and numbers are allowed. Spaces are also not allowed
pattern="^[a-z0-9_\-]+$"


Must contain at least one number and one uppercase and lowercase letter, and at least 8 or more characters
pattern="(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,}"

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Source: Grepper

Tags: regex rege

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Contributed on Jun 07 2023

Bilal Ahmad

0 Answers Avg Quality 2/10

regular expression

Comment

/findme/
Characters \, ., \cX, \d, \D, \f, \n, \r, \s, \S, \t, \v, \w, \W, \0, \xhh, \uhhhh, \uhhhhh, [\b]	
Assertions 	^, $, x(?=y), x(?!y), (?<=y)x, (?<!y)x, \b, \B
Groups 		(x), (?:x), (?<Name>x), x|y, [xyz], [^xyz], \Number	
Quantifiers *, +, ?, x{n}, x{n,}, x{n,m}
Unicode \p{UnicodeProperty}, \P{UnicodeProperty}
javascript
let re = /findme/
let defaults = new RegExp('compiled'); 
defaults = { dotAll: false, flags: "", global: false, ignoreCase: false, falselastIndex: 0, multiline: false, source: "abc", sticky: false, unicode: false}

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Source: Grepper

Tags: expression e

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Contributed on Nov 17 2020

Pink Person

0 Answers Avg Quality 2/10

regex

Comment

build your own regex:
https://regex101.com/

Popularity 10/10 Helpfulness 2/10 Language whatever

Source: regex101.com

Tags: expression e

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Contributed on Aug 03 2022

hirohito

0 Answers Avg Quality 2/10

regular expressions

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#!/usr/bin/env ruby

Popularity 10/10 Helpfulness 2/10 Language whatever

Source: www.shecodes.io

Tags: whatever whateve

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Contributed on Feb 02 2023

ASHLEY OKEYO

0 Answers Avg Quality 2/10

regular expressions

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