String with at least one uppercase, one lowercase, one special char, one digit and one white space
92414
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and symbol
59368
Convenient string manipulation
31612
Need regular expression for checking at least 3 uppercase, 3 lowercase, 3 digits and 3 special character
63349
How to string-compare for a single space
37165
Finding Uppercase Character then Adding Space
117363
Is there a simple way to remove multiple spaces in a string?
27906
Converting strings to lowercase
119476
How to insert a character in a string at a certain position?
94701
How to make regex accept only uppercase and lowercase letters with accents in java?
147943
Creating a unique alphanumeric 10-character string
97173
How to remove certain characters from a string in C++?
137775
Convert a char to upper case using regular expressions (EditPad Pro)
2223
Regular expression to match 7-12 digits; may contain space or hyphen
10610
How can I check if a single character appears in a string?
55142
How to get character array from a string?
110391
Password validation (regex?)
29153
Split string on spaces in Java, except if between quotes (i.e. treat \"hello world\" as one token)